PdfPasswordRemover is a project to remove passwords from PDF files.
- https://www.codeproject.com/Articles/31493/PDF-Security-Remover
- http://www.pdfsharp.net/wiki/UnprotectDocument-sample.ashx?AspxAutoDetectCookieSupport=1
- http://pdfsharp.com/PDFsharp/index.php?option=com_content&task=view&id=39&Itemid=50
- https://stackoverflow.com/questions/19565078/itextsharp-open-password-protected-file-modify-it-and-adopt-protection
- http://kuujinbo.info/iTextInAction2Ed/index.aspx?ch=Chapter12&ex=EncryptionPdf
- https://memorynotfound.com/encrypt-decrypt-password-protected-pdf-documents-itext/
See the Changelog.